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authorDan Carpenter <dan.carpenter@oracle.com>2014-10-29 11:43:25 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-05 16:12:45 -0800
commitfda2b418a1945bebd5c8f670768fe75c515816ec (patch)
tree66f1ddc76c66ea3bd5e7bf6cb093d019ff3f4fcf /drivers
parenta4dc923640418120fe7bbdfac149397bc761a249 (diff)
goldfish: off by one in goldfish_tty_console_setup()
The goldfish_ttys[] array has "goldfish_tty_line_count" number of elements. It's allocated in goldfish_tty_create_driver(). This test should be >= instead of >. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/tty/goldfish.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
index c24b9633ae19..967b2c2b7cf1 100644
--- a/drivers/tty/goldfish.c
+++ b/drivers/tty/goldfish.c
@@ -155,7 +155,7 @@ static struct tty_driver *goldfish_tty_console_device(struct console *c,
static int goldfish_tty_console_setup(struct console *co, char *options)
{
- if ((unsigned)co->index > goldfish_tty_line_count)
+ if ((unsigned)co->index >= goldfish_tty_line_count)
return -ENODEV;
if (!goldfish_ttys[co->index].base)
return -ENODEV;